Triple
T1883876
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Metro A Line |
E39915
|
entity |
| Predicate | connects |
P390
|
FINISHED |
| Object |
Willowbrook / Rosa Parks station
Willowbrook / Rosa Parks station is a major Los Angeles Metro Rail hub in the Willowbrook area that serves as a key transfer point between multiple light rail lines and bus routes.
|
E213210
|
NE FINISHED |
How this triple was built (4 steps)
Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.
NER
Named-entity recognition
gpt-5-mini
Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: Willowbrook / Rosa Parks station | Statement: [Metro A Line, connects, Willowbrook / Rosa Parks station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Willowbrook / Rosa Parks station Context triple: [Metro A Line, connects, Willowbrook / Rosa Parks station]
-
A.
Harlem/Lake station
Harlem/Lake station is the western terminal of the Chicago Transit Authority’s Green Line, located in the suburb of Oak Park, Illinois.
-
B.
Harlem (Forest Park branch) station
Harlem (Forest Park branch) station is a Chicago Transit Authority rapid transit stop on the city's West Side serving the Blue Line’s Forest Park branch.
-
C.
Branch Avenue station
Branch Avenue station is a Washington Metro rail station in Maryland that serves as the southern terminus of the system’s Green Line.
-
D.
Forest Park station
Forest Park station is a Chicago Transit Authority rapid transit station in Forest Park, Illinois, serving as the western endpoint of the Blue Line.
-
E.
Germantown station
Germantown station is a commuter rail stop in Germantown, Maryland, served by MARC’s Brunswick Line connecting the area to Washington, D.C.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Willowbrook / Rosa Parks station Triple: [Metro A Line, connects, Willowbrook / Rosa Parks station]
Generated description
Willowbrook / Rosa Parks station is a major Los Angeles Metro Rail hub in the Willowbrook area that serves as a key transfer point between multiple light rail lines and bus routes.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Willowbrook / Rosa Parks station Target entity description: Willowbrook / Rosa Parks station is a major Los Angeles Metro Rail hub in the Willowbrook area that serves as a key transfer point between multiple light rail lines and bus routes.
-
A.
Harlem/Lake station
Harlem/Lake station is the western terminal of the Chicago Transit Authority’s Green Line, located in the suburb of Oak Park, Illinois.
-
B.
Harlem (Forest Park branch) station
Harlem (Forest Park branch) station is a Chicago Transit Authority rapid transit stop on the city's West Side serving the Blue Line’s Forest Park branch.
-
C.
Branch Avenue station
Branch Avenue station is a Washington Metro rail station in Maryland that serves as the southern terminus of the system’s Green Line.
-
D.
Forest Park station
Forest Park station is a Chicago Transit Authority rapid transit station in Forest Park, Illinois, serving as the western endpoint of the Blue Line.
-
E.
Germantown station
Germantown station is a commuter rail stop in Germantown, Maryland, served by MARC’s Brunswick Line connecting the area to Washington, D.C.
- F. None of above. chosen
Provenance (5 batches)
The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.
| Step | Stage | Batch ID | Status | When |
|---|---|---|---|---|
| creating | Elicitation | batch_69a88633e4fc8190b7eb40463e048ec5 |
completed | March 4, 2026, 7:21 p.m. |
| NER | Named-entity recognition | batch_69abb11d3cd48190bbd3ef2cf62e0dff |
completed | March 7, 2026, 5:01 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69adeae631488190b5b4a8137112e568 |
completed | March 8, 2026, 9:32 p.m. |
| NEDg | Description generation | batch_69adecacc5c881909882deb9b68d8a4c |
completed | March 8, 2026, 9:39 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69adecfa6d2c8190a9adc4887a721ab7 |
completed | March 8, 2026, 9:41 p.m. |
Created at: March 4, 2026, 7:34 p.m.